CVE-2022-21696
Username spoofing in OnionShare
4.3
MEDIUM
CVSS 3.1
EPSS 0.71%
Description
OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. In affected versions it is possible to change the username to that of another chat participant with an additional space character at the end of the name string. An adversary with access to the chat environment can use the rename feature to impersonate other participants by adding whitespace characters at the end of the username.
How to fix CVE-2022-21696
To remediate CVE-2022-21696, upgrade the affected package to a fixed version below.
- —upgrade to 2.5-1 or later
Is CVE-2022-21696 being exploited?
Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.5-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |